Technical and instalation
manual FLOW 38 Batch Page 21 (of 49) COMAC CAL
s.r.o.
Meter wiring of batching unit
The actual wiring is done by bringing electrical power supply wires 230VAC and controlling wire for
the valve of one of two relay outputs (it is double output in case of damage to the first relay, or when
there is a need to control two devices). Once the wiring is done, close the box and by fastening of the
corner screws secure the cover against opening. Next use the connectors to connect the flow sensor
cable. Fix the cable to the wall or structure so that it does not “hang" off the connector. Below the
connector create a "drip loop" facing down so that any dripping water would not wet the connector.
Similarly, fasten the wires for supply voltage and control outputs. At this stage the device is ready to
operate. The internal control board is already connected with a measuring device – this has been done
inside the COMAC CAL factory. If this is not desirable, do not interfere with the wiring.
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